ALEXANDRIA, Va., Jan. 29 -- United States Patent no. 12,209,936, issued on Jan. 28, was assigned to Nevada Research & Innovation Corp. (Reno, Nev.) and The Regents of the University of California (Oakland, Calif.).

"Sensor systems and methods of measuring infrastructure displacement" was invented by David B. McCallen (Reno, Nev.), Patrick Laplace (Reno, Nev.) and Floriana Petrone (Reno, Nev.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Interstory drift measurement systems and methods of using the same can include a laser beam source configured to emit a beam having at least a first width in a first direction and a sensor system comprising a plurality of diodes spaced apart from one another in the first dir...